2.7V SPI 12 A/D 12 PDIP DNL ± 1 LSB INL ± 1 LSB (MCP322-B INL ± 2 LSB (MCP322-C CS/SHDN CH CH1 & SPI V SS (, 1,1 : 2.7 5.5V 1ksps max ( SOIC, TSSOP 5ksps max ( CMOS CS/SHDN - 5 na typ ( 5µA CH - 55 µa max (5V : -4 +85 CH1 8 PDIP SOIC TSSOP V SS MCP322 & 12 CH DAC CH1 (A/D Mux MCP322 DNL ( ±1LSB INL ( ±1LSB (MCP322-B ±2LSB (MCP322-C SPI 1ksps (5V 5ksps (2.7V MCP322 CS/SHDN D IN CLK (2.7V - 5.5V 5nA 375µA MCP322 8 PDIP TSSOP 15mil SOIC 1 2 3 4 1 2 3 4 MCP322 MCP322 8 7 6 5 8 7 6 5 V DD /V REF CLK D IN V DD /V REF CLK D IN V DD V SS 12 SAR 1999 DS2134A-J- 1
1.1 * V DD... 7.V w.r.t. V SS... -V V DD +V... -65 +15... -65 +125 (1...+3 ESD...> 4kV V DD /V REF CH CH1 CLK +2.7V 5.5V 1 * : D IN IN OUT CS/SHDN / V DD = 5.5V, V SS = V, T AMB = -4 C +85 C, f SAMPLE = 1ksps f CLK = 18*f SAMPLE MIN. TYP. MAX. t CONV 12 clock cycles t SAMPLE 1.5 clock cycles f SAMPLE 1 5 DC 12 bits INL ±.75 ±1 ±1 ±2 ksps ksps LSB LSB V DD = V REF = 5V V DD = V REF = 2.7V MCP322-B MCP322-C DNL ±.5 ±1 LSB ±1.25 ±3 LSB ±1.25 ±5 LSB -82 db V IN =.1V 4.9V@1kHz (SINAD 72 db V IN =.1V 4.9V@1kHz CH V SS V REF V CH1 IN+ IN- 86 db V IN =.1V 4.9V@1kHz IN- V REF +IN- 3.1 4.1 V SS -1 V SS +1 mv 3.1 4.1.1 ±1 µa R SS 1K Ω 4-1 C SAMPLE 2 pf 4-1 DS2134A-J- 2 1999
(CONTINUED V DD = 5.5V, V SS = V, T AMB = -4 C +85 C, f SAMPLE = 1ksps f CLK = 18*f SAMPLE MIN. TYP. MAX. Straight Binary High V IH.7 V DD V Low V IL.3 V DD V High V OH 4.1 V I OH = -1mA, V DD = 4.5V Low V OL V I OL = 1mA, V DD = 4.5V I LI -1 1 µa V IN = V SS V DD I LO -1 1 µa V OUT = V SS V DD ( C IN, C OUT 1 pf V DD = 5.V ( 1 T AMB = 25 C, f = 1 MHz f CLK 1.8.9 High t HI 25 ns Low t LO 25 ns CLK CS t SUCS 1 ns t SU 5 ns t HD 5 ns MHz MHz ( 2 ( 2 CLK t DO 2 ns 1-2 CLK t EN 2 ns 1-2 CS t DIS 1 ns 1-2 1 CS t CSH 5 ns t R 1 ns 1-2 1 t F 1 ns 1-2 1 V DD 2.7 5.5 V I DD 375 55 µa V DD = 5.V, I DDS.5 5 µa CS = V DD = 5.V 1: 2: 1kHz 6.2 1999 DS2134A-J- 3
t CSH CS t SUCS t HI t LO CLK t SU t HD D IN MSB IN t EN t DO t R t F t DIS NULL BIT MSB OUT LSB 1-1: t R, t F, t DO 1.4V t DIS t EN 3K 3K V DD V DD /2 t DIS 2 t EN C L = 1pF 1pF t DIS 1 V SS t R, t F t EN t R t F V OH V OL CS CLK 1 2 3 4 B11 t EN t DO t DIS CLK t DO CS 1* V IH 9% T DIS 2 1% * 1 High 2 Low 1-2: DS2134A-J- 4 1999
2. :, V SS = V, f SAMPLE = 1ksps, f CLK = 18* f SAMPLE,T A = 25 INL (LSB - - - - - Positive INL Negative INL 25 5 75 1 125 15 Sample Rate (ksps INL (LSB 2. 1.5.5 -.5 - -1.5-2. Positive INL Negative INL 2 4 6 8 1 Sample Rate (ksps 2-1: (INL vs. 2-4: (INL vs. ( INL (LSB - - - - Positive INL - 3. 3.5 4. 4.5 5. V DD (V 2-2: (INL vs. V DD Negative INL INL (LSB - - - - Positive INL Negative INL - 2.5 3. 3.5 4. 4.5 5. V DD (V 2-5: (INL vs. V DD INL (LSB - - - - - 512 124 1536 248 256 372 3584 496 Digital Code INL (LSB F SAMPLE = 5ksps - - - - - 512 124 1536 248 256 372 3584 496 Digital Code 2-3: (INL vs. ( 2-6: (INL vs. ( 1999 DS2134A-J- 5
:, V SS = V, f SAMPLE = 1ksps, f CLK = 18* f SAMPLE,T A = 25 INL (LSB Positive INL - Negative INL - - - - -5-25 25 5 75 1 Temperature ( C INL (LSB V DD = 2.7V Positive INL - - Negative INL - - - -5-25 25 5 75 1 Temperature ( C 2-7: (INL vs. 2-1: (INL vs. ( DNL (LSB - - - - - Positive DNL Negative DNL 25 5 75 1 125 15 DNL (LSB 2. 1.5.5 -.5 - -1.5-2. Positive DNL Negative DNL 2 4 6 8 1 Sample Rate (ksps Sample Rate (ksps 2-8: (DNL vs. 2-11: (DNL vs. ( DNL (LSB - - - - Positive DNL Negative DNL - 2.5 3. 3.5 4. 4.5 5. VDD(V 2-9: (DNL vs. V DD DNL (LSB - - - - Positive DNL Negative DNL - 2.5 3. 3.5 4. 4.5 5. V DD(V 2-12: (DNL vs. V DD DS2134A-J- 6 1999
:, V SS = V, f SAMPLE = 1ksps, f CLK = 18* f SAMPLE,T A = 25 DNL (LSB - - - - - 512 124 1536 248 256 372 3584 496 Digital Code DNL (LSB V DD = 2.7V F SAMPLE = 5ksps - - - - - 512 124 1536 248 256 372 3584 496 Digital Code 2-13: (DNL vs. ( 2-16: (DNL vs. ( DNL (LSB Positive DNL - Negative DNL - - - - -5-25 25 5 75 1 Temperature ( C DNL (LSB Positive DNL - - Negative DNL - - - -5-25 25 5 75 1 Temperature ( C 2-14: (DNL vs. 2-17: (DNL vs. ( Gain Error (LSB 2. 1.5.5 -.5 - -1.5-2. 2.5 3. 3.5 4. 4.5 5. 2-15: vs. V DD F SAMPLE = 1ksps V DD(V Offset Error (LSB 2. 1.8 1.6 1.4 1.2 2.5 3. 3.5 4. 4.5 5. V DD(V 2-18: vs. V DD F SAMPLE = 1ksps 1999 DS2134A-J- 7
:, V SS = V, f SAMPLE = 1ksps, f CLK = 18* f SAMPLE,T A = 25 Gain Error (LSB - - - - - -5-25 25 5 75 1 Temperature ( C Offset Error (LSB 2. 1.8 1.6 1.4 1.2-5 -25 25 5 75 1 Temperature ( C 2-19: vs. 2-22: vs. SNR (db 1 9 8 7 6 5 4 3 2 1 1 1 1 Input Frequency (khz SINAD (db 1 9 8 7 6 5 4 3 2 1 1 1 1 Input Frequency (khz 2-2: (SNR vs. 2-23: (SINAD vs. THD (db -1-2 -3-4 -5-6 -7-8 -9-1 1 1 1 Input Frequency (khz SINAD (db 8 7 6 5 4 3 2 1-4 -35-3 -25-2 -15-1 -5 Input Signal Level (db 2-21: (THD vs. 2-24: (SINAD vs. DS2134A-J- 8 1999
:, V SS = V, f SAMPLE = 1ksps, f CLK = 18* f SAMPLE,T A = 25 ENOB (rms 12. 11.5 1 1.5 1 9.5 9. 2. 2.5 3. 3.5 4. 4.5 5. V DD (V ENOB (rms 12. 11.5 1 1.5 1 9.5 9. 8.5 8. 1 1 1 Input Frequency (khz 2-25: (ENOB vs. V DD 2-28: (ENOB vs. SFDR (db 1 9 8 7 6 5 4 3 2 1 1 1 1 Input Frequency (khz Power Supply Rejection (db -1-2 -3-4 -5-6 -7-8 1 1 1 1 1 Ripple Frequency (khz 2-26: (SFDR vs. 2-29: vs. Amplitude (db -1-2 -3-4 -5-6 -7-8 -9-1 -11-12 -13 F INPUT = 9.985kHz 496 points 1 2 3 4 5 Amplitude (db -1-2 -3-4 -5-6 -7-8 -9-1 -11-12 -13 F INPUT = 998.76Hz 496 points 5 1 15 2 25 Frequency (Hz Frequency (Hz 2-27: 1kHz 2-3: 1kHz ( ( 1999 DS2134A-J- 9
:, V SS = V, f SAMPLE = 1ksps, f CLK = 18* f SAMPLE,T A = 25 IDD (µa 5 All points at F 45 CLK = 1.8MHz except at V DD = 2.5V, F CLK = 9kHz 4 35 3 25 2 15 1 5 2. 2.5 3. 3.5 4. 4.5 5. 5.5 6. V DD (V IDDS (pa 8 CS = V DD 7 6 5 4 3 2 1 2. 2.5 3. 3.5 4. 4.5 5. 5.5 6. V DD (V 2-31: I DD vs. V DD 2-34: I DDS vs. V DD IDD (µa 5 45 4 35 3 25 2 15 1 5 1 1 1 1 Clock Frequency (khz 2-32: I DD vs. IDDS (na 1 V DD = CS = 5V 1.1 1-5 -25 25 5 75 1 Temperature ( C 2-35: I DDS vs. IDD (µa 5 45 F CLK = 1.8MHz 4 35 3 25 2 15 F CLK = 9kHz 1 5-5 -25 25 5 75 1 Temperature ( C 2-33: I DD vs. Analog Input Leakage (na 2. 1.8 1.6 1.4 1.2-5 -25 25 5 75 1 Temperature ( C F CLK = 1.8MHz 2-36: vs. DS2134A-J- 1 1999
3. 4.1 3.1 CH/CH1 MCP322 2 1 2 1 IN+ 1 CH CH1 IN- IN+ IN- IN+ 5. IN- V REF (V REF + IN- IN- 3.2 CS/SHDN( / V SS ±1mV IN- IN+ IN- CS/SHDN Low High A/D 1.5 12 CS/SHDN High (C SAMPLE 4-1 3.3 CLK ( SPI (R S (R SS C SAMPLE 6.2 3.4 DIN ( SPI 1 3.5 DOUT ( MCP61 SPI A/D 4-2 IN+ IN- h 4. IN+ {[V REF + (IN-] - 1 LSB} FFFh MCP322 A/D SAR IN- V SS 1 LSB IN+ V SS h 2 1.5 IN- V / SS 1 LSB IN+ V REF FFFh 12 4.2 MCP322 A/D 1ksps MCP322 V DD 6.2 V DD 3 SPT LSB A/D V IN = = 496 * V IN V DD V DD = 1999 DS2134A-J- 11
R S CHx V DD V T = V SS R SS = 1kΩ VA C PIN 7pF V T = V I LEAKAGE ± 1 na C SAMPLE = DAC = 2 pf V SS VA = R S CHx C PIN V T I LEAKAGE = = = = = SS = R SS C SAMPLE = = / 4-1: Clock Frequency (MHz 2. 1.8 1.6 1.4 1.2 1 1 1 Input Resistance (Ohms 4-2: INL.1LSB (R S vs. DS2134A-J- 12 1999
5. 12 CS Low ( MSBF = 1 5.1 MCP322 SPI 5-2 LSB CS Low CS Low 5-1 (LSB CS Low High Low CS Low D IN High D IN CS Low SGL/DIFF ODD/SIGN 8 SPI SGL/DIFF SPI MCP322 ODD/SIGN 6.1 ODD/SIGN MSBF LSB MSBF Low GND MSB SGL/ ODD/ 1 CS Low DIFF SIGN MSBF High 1 + - MSB LSB 5-2 1 1 + - 5-1 MCP322 IN+ IN- 1 IN- IN+ 2 3 5-1: MCP322 MSBF Low 12 5-1 MSB t CYC t CYC CS t CSH t SUCS CLK D IN SGL/ ODD/ MS DIFF SIGN BF SGL/ ODD/ DIFF SIGN HI-Z Null Bit B11 B1 B9 B8 B7 B6 B5 B4 B3 B2 B1 B* HI-Z t SAMPLE t CONV t DATA** * CS Low A/D LSB 5-2 ** t DATA : LSB CLK 5-1: MSB MCP322 1999 DS2134A-J- 13
t CYC CS t CSH t SUCS Power Down CLK D IN SGL/ DIFF ODD/ SIGN MSBF HI-Z Null HI-Z B11 B1 B9 B8 B7 B6 B5 B4 B3 B2 B1 B B1 B2 B3 B4 B5 B6 B7 B8 B9 B1 B11 Bit t SAMPLE * (MSB t CONV t DATA ** * CS Low A/D ** t DATA : LSB CLK 5-2: LSB MCP322 DS2134A-J- 14 1999
6. 6-1 A/D 7 6.1 (MCU SPI MCP322 12 MCU SPI MSB 12 A/D 8 2 MCU 3 ( SPI 4 3 8 MCU 8 6-1 6-2 High 6-2 MCP322 SPI MCU SPI 1,1 6-1, A/D SPI, MCU MCU SCLK Low A/D 6-2 High SPI 1,1 CS SCLK MCU 1 2 3 4 5 6 7 8 9 1 11 12 13 14 15 16 17 18 19 2 21 22 23 24 D IN SGL/ DIFF ODD/ SIGN MSBF HI-Z NULL BIT B11 B1 B9 B8 B7 B6 B5 B4 B3 B2 B1 B MCU SGL/ ODD/ ( X X X X X X X 1 MSBF DIFF SIGN X X X X X X X X X X X X X MCU ( X X X X X X X X X X X B11 B1 B9 B8 (Null B7 B6 B5 B4 B3 B2 B1 B 8 MCU 2 8 MCU 8 MCU X = 6-1: 8 SPI (, SCLK Low 1999 DS2134A-J- 15
CS MCU SCLK 1 2 3 4 5 6 7 8 9 1 11 12 13 14 15 16 17 18 19 2 21 22 23 24 D IN SGL/ DIFF ODD/ SIGN MSBF HI-Z NULL BIT B11 B1 B9 B8 B7 B6 B5 B4 B3 B2 B1 B MCU ( SGL/ ODD/ 1 X X X X X DIFF SIGN MSBF X X X X X X X X MCU ( X X X X X X X X X X X B11 B1 B9 B8 (Null B7 B6 B5 B4 B3 B2 B1 B X = 8 MCU 2 8 MCU 8 MCU 6-2: 8 SPI ( 1,1 SCLK High DS2134A-J- 16 1999
6.2 6.4 MCP322 PCB 1 85 ( 1.2ms 1µF PCB 12 1.2ms (1kHz ( A/D PCB " " V DD 6.3 / 6-4 A/D A/D AN688 Layout Tips for 12-Bit A/D Converter Applications 6-3 V DD MCP322 ( FilterLab 4 FilterLab 1 AN699 Anti-Aliasing Analog Filters for Data Acquisition Systems V DD 2 3 3 4.96V.1µF 1µF.1µF ADI Tant. REF198 1uF 6-4: " " V DD V REF 1µF IN+ MCP322 V IN R 1 C 1 R 2 MCP61 + - IN- C 2 R 3 R 4 6-3: MCP322 2 FilterLab Microchip Technology MCP61 Inc. 1999 DS2134A-J- 17
MCP322 MCP322 - G T /P : P = PDIP (8 SL = SOIC (15 mil Body, 8 ST = TSSOP, 8 (C : I = 4 C +85 C B = ±1 LSB INL ( TSSOP C = ±2 LSB INL : MCP322 = 12- A/D MCP322T = 12- A/D ( (SOIC TSSOP ( 1. 2. Corporate Literature Center U.S. FAX: (62 786-7277 9 1 (48 786-7277 3. (www.microchip.com ( (www.microchip.com/cn DS2134A-J- 18 1999
: 1999 DS2134A-J- 19
2355 West Chandler Blvd. Chandler, AZ 85224-6199 Tel: 62-786-72 Fax: 62-786-7277 Technical Support: 62-786-7627 Web Address: http://www.microchip.com 1999 : Tel: 48-786-72 Fax: 48-786-7277 Technical Support: 48-786-7627 Atlanta ( 5 Sugar Mill Road, Suite 2B Atlanta, GA 335 Tel: 77-64-34 Fax: 77-64-37 Boston ( 5 Mount Royal Avenue Marlborough, MA 1752 Tel: 58-48-999 Fax: 58-48-8575 Chicago ( 333 Pierce Road, Suite 18 Itasca, IL 6143 Tel: 63-285-71 Fax: 63-285-75 Dallas ( 457 Westgrove Drive, Suite 16 Addison, TX 751 Tel: 972-818-7423 Fax: 972-818-2924 Dayton ( Two Prestige Place, Suite 15 Miamisburg, OH 45342 Tel: 937-291-1654 Fax: 937-291-9175 Detroit ( Tri-Atria Office Building 32255 Northwestern Highway, Suite 19 Farmington Hills, MI 48334 Tel: 248-538-225 Fax: 248-538-226 Los Angeles ( 1821 Von Karman, Suite 19 Irvine, CA 92612 Tel: 949-263-1888 Fax: 949-263-1338 New York ( 15 Motor Parkway, Suite 22 Hauppauge, NY 11788 Tel: 516-273-535 Fax: 516-273-5335 San Jose ( 217 North First Street, Suite 59 San Jose, CA 95131 Tel: 48-436-795 Fax: 48-436-7955 ( Toronto ( 5925 Airport Road, Suite 2 Mississauga, Ontario L4V 1W1, Canada Tel: 95-45-6279 Fax: 95-45-6253 / Hong Kong ( Microchip Asia Pacific Unit 211, Tower 2 Metroplaza 223 Hing Fong Road Kwai Fong, N.T., Hong Kong Tel: 852-2-41-12 Fax: 852-2-41-3431 Beijing ( Microchip Technology, Beijing Unit 915, 6 Chaoyangmen Bei Dajie Dong Erhuan Road, Dongcheng District New China Hong Kong Manhattan Building Beijing 127 PRC Tel: 86-1-852821 Fax: 86-1-8528214 India ( India Liaison Office No. 6, Legacy, Convent Road Bangalore 56 25, India Tel: 91-8-229-61 Fax: 91-8-229-62 Japan ( France ( Arizona Microchip Technology SARL Parc d Activite du Moulin de Massy 222-33 3-43 Rue du Saule Trapu 18-2 S-1 6F Tel: 45-471- 6166 Fax: 45-471-6122 Korea ( Microchip Technology Korea 168-1, Youngbo Bldg. 3 Floor Samsung-Dong, Kangnam-Ku Seoul, Korea Tel: 82-2-554-72 Fax: 82-2-558-5934 Shanghai ( Microchip Technology RM 46 Shanghai Golden Bridge Bldg. 277 Yan an Road West, Hong Qiao District Shanghai, PRC 2335 Tel: 86-21-6275-57 Fax: 86 21-6275-56 / ( Singapore ( Microchip Technology Singapore Pte Ltd. 2 Middle Road #7-2 Prime Centre Singapore 18898 Tel: 65-334-887 Fax: 65-334-885 Taiwan, R.O.C ( Microchip Technology Taiwan 1F-1C 27 Tung Hua North Road Taipei, Taiwan, ROC Tel: 886-2-2717-7175 Fax: 886-2-2545-139 United Kingdom ( Arizona Microchip Technology Ltd. 55 Eskdale Road Winnersh Triangle Wokingham Berkshire, England RG41 5TU Tel: 44 118 921 5858 Fax: 44-118 921-5835 Denmark ( Arizona Microchip Technology Regus Business Centre Lautrup hoj 1-3 Ballerup DK-275 Denmark Tel: 45 442 9895 Fax: 45 442 991 Batiment A - ler Etage 913 Massy, France Tel: 33-1-69-53-63-2 Fax: 33-1-69-3-9-79 Germany ( Arizona Microchip Technology GmbH Gustav-Heinemann-Ring 125 D-81739 München, Germany Tel: 49-89-627-144 Fax: 49-89-627-144-44 Italy ( Arizona Microchip Technology SRL Centro Direzionale Colleoni Palazzo Taurus 1 V. Le Colleoni 1 241 Agrate Brianza Milan, Italy Tel: 39-39-65791-1 Fax: 39-39-6899883 7/29/99 All rights reserved. 1999 Microchip Technology Incorporated. Printed in the USA. 12/99 Printed on recycled paper. ISO 91 PICmicro 8 MCU KEELOQ Serial EEPROM ISO Microchip Technology Incorporated Microchip Microchip Microchip Microchip Tech-nology Inc. DS2134A-J- 2 1999 (http://www.microchip.com